阅读说明：本技术 深井曝气装置及其污水处理工艺 (Deep well aeration device and sewage treatment process thereof ) 是由 谢家海 戴骏强 邹东刚 石松泉 于 2020-06-01 设计创作，主要内容包括：本发明属于污水处理技术领域,具体的说是深井曝气装置及其污水处理工艺,包括与下水道连通的水渠,以及水渠远离下水道一侧依次设置的沉砂池、深井、脱气池和二沉池；水渠中设有粗格栅与细格栅；粗格栅与细格栅之间设有浮筒；细格栅远离浮筒一侧的水渠侧面开设有一对滑槽,滑槽中滑动连接有转轴,转轴中部固连的辊子外周圆周均布一组清理杆,清理杆用于转动时插入细格栅中清理白色垃圾；浮筒底部设有拉绳,拉绳一端与浮筒固连,另一端绕过水渠底部的导向轮之后逆时针缠绕在辊子外周；滑槽顶部远离细格栅的一侧设有用于回收白色垃圾的储料槽；本发明通过浮筒带动辊子转动清理细格栅,保证细格栅的过滤效率。(The invention belongs to the technical field of sewage treatment, in particular to a deep well aeration device and a sewage treatment process thereof, which comprise a water channel communicated with a sewer, and a grit chamber, a deep well, a degassing chamber and a secondary sedimentation chamber which are sequentially arranged on one side of the water channel far away from the sewer; a coarse grating and a fine grating are arranged in the ditch; a floating barrel is arranged between the coarse grating and the fine grating; a pair of sliding grooves are formed in the side surface, away from the floating barrel, of the water channel on one side of the fine grating, a rotating shaft is connected in the sliding grooves in a sliding mode, a group of cleaning rods are uniformly distributed on the periphery of the roller fixedly connected to the middle of the rotating shaft, and the cleaning rods are inserted into the fine grating to clean white garbage when rotating; a pull rope is arranged at the bottom of the float bowl, one end of the pull rope is fixedly connected with the float bowl, and the other end of the pull rope winds around the periphery of the roller anticlockwise after bypassing the guide wheel at the bottom of the ditch; a storage tank for recovering the white garbage is arranged on one side of the top of the chute, which is far away from the fine grid; according to the invention, the roller is driven by the buoy to rotate to clean the fine grating, so that the filtering efficiency of the fine grating is ensured.)

1. The deep well aeration device comprises a water channel (1) communicated with a sewer, and a grit chamber, a deep well, a degassing chamber and a secondary sedimentation chamber which are sequentially arranged on one side of the water channel (1) far away from the sewer; the method is characterized in that: a coarse grating and a fine grating (11) are arranged in the ditch (1); a buoy (12) is arranged between the coarse grating and the fine grating (11); a pair of sliding grooves (13) are formed in the side face, far away from the buoy (12), of the water channel (1) of the fine grating (11), a rotating shaft (14) is connected in the sliding grooves (13) in a sliding mode, a group of cleaning rods (16) are uniformly distributed on the periphery of a roller (15) fixedly connected to the middle of the rotating shaft (14), and the cleaning rods (16) are inserted into the fine grating (11) to clean white garbage during rotation; a pull rope (17) is arranged at the bottom of the float bowl (12), one end of the pull rope (17) is fixedly connected with the float bowl (12), and the other end of the pull rope (17) winds around the periphery of the roller (15) anticlockwise after bypassing a guide wheel (18) at the bottom of the ditch (1); a storage trough (19) for recovering white garbage is arranged on one side of the top of the chute (13) far away from the fine grid (11); the roller (15) is driven by the buoy (12) to rotate to clean the fine grating (11), so that the filtering efficiency of the fine grating (11) is ensured.

2. The deep well aeration device according to claim 1, wherein: a cylinder (2) with the inner diameter larger than the outer diameter of the buoy (12) is arranged on the periphery of the buoy (12), the cylinder (2) is fixed on the side edge of the ditch (1), the upper and lower openings of the cylinder (2) are formed, and the bottom of the cylinder (2) extends below the liquid level; the winding of the buoy (12) and the pull rope (17) by garbage is reduced through the cylinder (2).

3. The deep well aeration device according to claim 2, wherein: roller (15) one end is equipped with gear (21), and ditch (1) lateral wall has linked firmly rack (22) with gear (21) corresponding position, and rack (22) and thin grid (11) parallel arrangement, and rack (22) and gear (21) intermeshing promote roller (15) height through rack (22), increase the cleaning efficiency of rubbish.

4. A deep well aeration apparatus according to claim 3, wherein: the cleaning rod (16) is hollow, and the cleaning rod (16) is communicated with sludge at the bottom of the deep well through a pipeline and a water pump; a group of spray holes (23) are formed in the periphery of the cleaning rod (16) along the axis direction of the roller (15), sewage is sprayed out through the spray holes (23), the cleaning effect of the fine grid (11) is improved, the content of activated sludge of white garbage is increased, and the environmental pollution is further reduced.

5. The deep well aeration device of claim 4, wherein: the cleaning rod (16) is a hose, and the cross section of the cleaning rod (16) is in a waist-round shape; the side surface of the cleaning rod (16) is parallel to the end surface of the roller (15), so that the left-right bending and swinging frequency of the cleaning rod (16) is increased, and the cleaning efficiency of the fine grid (11) is further increased.

6. The deep well aeration device of claim 5, wherein: the tail end of the cleaning rod (16) is communicated with a thin tube (24), two ends of the thin tube (24) are in a sharp-pointed shape, and the thin tube (24) is inserted into the white garbage, so that the content of active sludge in the white garbage is increased, and the environmental pollution is further reduced.

7. A sewage treatment process for the deep well aeration apparatus according to any one of claims 1 to 6, comprising the steps of:

s1, introducing sewage in the urban sewer into a ditch, cleaning large floating objects through the coarse grating, filtering white garbage and large particles through the fine grating, and enabling the filtered sewage to flow into a grit chamber;

s2, precipitating particulate matters in the sewage to the bottom of the grit chamber by reducing the speed of the sewage flowing into the grit chamber, pumping the sewage into a deep well after reducing the content of the particulate matters in the sewage, decomposing organic matters in the sewage by microorganisms by adding sludge rich in the microorganisms into the deep well, and aerating the sewage to sufficiently ferment and degrade the organic matters in the sewage and increase the purification efficiency of the sewage;

s3, introducing the sewage subjected to deep well aeration in the step S2 into a degassing tank for degassing, and then performing secondary sedimentation in a secondary sedimentation tank to discharge the wastewater meeting the sewage treatment standard so as to reduce environmental pollution;

and S4, pumping part of activated sludge containing microorganisms in the deep well through a water pump, pumping the sludge into the white garbage filtered and collected in the S1, degrading residual sewage in the white garbage, and transporting the degraded white garbage to a garbage landfill for anti-seepage landfill treatment, so that pollution caused by the white garbage can be reduced.

Technical Field

The invention belongs to the technical field of sewage treatment, and particularly relates to a deep well aeration device and a sewage treatment process thereof.

Background

Deep well aeration (deep well process), also called ultra-deep water aeration and ultra-deep layer aeration, is a novel wastewater treatment process. The process comprises the following steps: fine grid, grit chamber, deep well aeration, degassing tank, secondary sedimentation tank and drainage.

Because the deep well aeration process has the advantages of small occupied area, environmental friendliness, simplicity in operation and maintenance, low operating cost and the like in the sewage treatment process, the deep well aeration process is greatly favored in areas where the urban scale is rapidly expanded and the land area of a sewage treatment plant is restricted.

Disclosure of Invention

The invention provides a deep well aeration device and a sewage treatment process thereof, aiming at making up for the defects of the prior art and solving the problems that fine grids in various forms in the existing deep well aeration device are easy to block, and need to be cleaned manually subsequently, the workload is large, the operation is not convenient, and the sewage treatment efficiency is sometimes even affected.

The technical scheme adopted by the invention for solving the technical problems is as follows: the deep well aeration device comprises a water channel communicated with a sewer, and a grit chamber, a deep well, a degassing chamber and a secondary sedimentation chamber which are sequentially arranged on one side of the water channel far away from the sewer; a coarse grating and a fine grating are arranged in the ditch; a floating barrel is arranged between the coarse grating and the fine grating; a pair of sliding grooves are formed in the side surface, away from the floating barrel, of the water channel on one side of the fine grating, a rotating shaft is connected in the sliding grooves in a sliding mode, a group of cleaning rods are uniformly distributed on the periphery of a roller fixedly connected to the middle of the rotating shaft, and the cleaning rods are inserted into the fine grating to clean white garbage when rotating; a pull rope is arranged at the bottom of the float bowl, one end of the pull rope is fixedly connected with the float bowl, and the other end of the pull rope winds the periphery of the roller anticlockwise after bypassing the guide wheel at the bottom of the ditch; a storage tank for recovering white garbage is arranged on one side of the top of the chute, which is far away from the fine grid; the roller is driven by the buoy to rotate to clean the fine grating, so that the filtering efficiency of the fine grating is ensured; when the device works, when more white garbage and other floating objects are carried in water flow at the fine grating, the white garbage is accumulated at the fine grating, and then the fine grating is blocked, so that the water flow in the canal is blocked, and at the moment, the fine grating needs to be cleaned manually, the workload is large, the operation is not convenient, sometimes, the sewage treatment efficiency is even influenced, at the moment, the white garbage blocks the fine grating, so that the water level in the canal rises, the buoy moves upwards under the action of buoyancy, and then the pull rope is pulled, the pull rope is stretched under the guide of the guide wheel, and then the roller is driven to rotate, because the pull rope is wound on the periphery of the roller anticlockwise, the roller is matched with the rotating shaft and the sliding chute, the roller rotates and drives the cleaning rod to rotate, the cleaning rod is continuously inserted into a gap between the fine gratings and rotates upwards to clean the white garbage, and the white garbage is treated after being collected by the, and then reduce the jam of thin grid department, guarantee the normal flow of sewage in the ditch, and then increase deep well aeration equipment's work efficiency.

Preferably, a cylinder with the inner diameter larger than the outer diameter of the float is arranged on the periphery of the float, the cylinder is fixed on the side edge of the ditch and is provided with an upper opening and a lower opening, and the bottom of the cylinder extends into the position below the liquid level; the phenomenon that the buoy and the pull rope are wound by garbage is reduced through the cylinder; through the protection of drum to the flotation pontoon, avoid longer fibre in the sewage and white rubbish winding in stay cord and flotation pontoon periphery, hinder the motion of flotation pontoon and stay cord, and then further guarantee that the roller drives clearance pole normal rotation, normally clear up the fine grid, guarantee that the sewage in the ditch normally flows.

Preferably, one end of the roller is provided with a gear, a rack is fixedly connected to the side wall of the ditch corresponding to the gear, the rack and the fine grid are arranged in parallel, the rack and the gear are meshed with each other, the height of the roller is increased through the rack, and the garbage cleaning efficiency is improved; through gear cooperation rack, constantly drive the roller at the anticlockwise rotation in-process of roller and rotate and follow spout rebound, increase the clearance area of clearance pole to thin grid, further reduce the jam of thin grid, increase sewage circulation when guaranteeing the good filterability ability of thin grid, further increase the purification efficiency of sewage.

Preferably, the cleaning rod is hollow and is communicated with sludge at the bottom of the deep well through a pipeline and a water pump; the periphery of the cleaning rod is provided with a group of spray holes along the axial direction of the roller, sewage is sprayed out through the spray holes, the cleaning effect of the fine grid is improved, the content of activated sludge of white garbage is increased, and the environmental pollution is further reduced; the sewage and the sludge in the deep well are pumped by the water pump, the mixture of the sewage and the sludge is pumped into the cleaning rod and is sprayed out through the spray holes, the impact on the fine grid is increased by the high-speed sprayed water flow, the pollutants adhered on the fine grid are further cleaned, the blockage of the fine grid is further reduced, and the normal through-flow capacity of the fine grid is ensured. After the harmful substances in the white garbage are degraded, the anti-seepage landfill is carried out, so that the pollution damage to the environment is further reduced.

Preferably, the cleaning rod is a hose, and the cross section of the cleaning rod is in a waist shape; the side surface of the cleaning rod is parallel to the end surface of the roller, so that the left-right bending and swinging frequency of the cleaning rod is increased, and the cleaning efficiency of the fine grating is further increased; because the clearance pole is the hose for after the mixture of orifice blowout sewage and mud, drive the clearance pole through recoil power and constantly drive the swing of clearance pole and scrape thin grid, further increase the clearance effect of thin grid, the cross section of cooperation clearance pole simultaneously is waist circle shape and clearance pole side parallel with the roller terminal surface, increases the whipping frequency of clearance pole left and right sides direction, and then further increases the clearance effect of thin grid, increases the purification efficiency of sewage.

Preferably, the tail end of the cleaning rod is communicated with a thin tube, two ends of the thin tube are in a sharp-pointed shape, and the thin tube is inserted into the white garbage, so that the content of activated sludge in the white garbage is increased, and the environmental pollution is further reduced; the cleaning rod continuously swings to drive the thin tube to continuously swing, so that the thin tube at the tail end of the cleaning rod is driven to swing, the thin tube continuously punctures the white garbage and injects the activated sludge with microorganisms into the white garbage, the degradation efficiency of harmful substances in the white garbage is increased, and the pollution damage to the environment is further reduced.

A sewage treatment process is used for the deep well aeration device and comprises the following steps:

s1, introducing sewage in the urban sewer into a ditch, cleaning large floating objects through the coarse grating, filtering white garbage and large particles through the fine grating, and enabling the filtered sewage to flow into a grit chamber;

s2, precipitating particulate matters in the sewage to the bottom of the grit chamber by reducing the speed of the sewage flowing into the grit chamber, pumping the sewage into a deep well after reducing the content of the particulate matters in the sewage, decomposing organic matters in the sewage by microorganisms by adding sludge rich in the microorganisms into the deep well, and aerating the sewage to sufficiently ferment and degrade the organic matters in the sewage and increase the purification efficiency of the sewage;

s3, introducing the sewage subjected to deep well aeration in the step S2 into a degassing tank for degassing, and then performing secondary sedimentation in a secondary sedimentation tank to discharge the wastewater meeting the sewage treatment standard so as to reduce environmental pollution;

and S4, pumping part of activated sludge containing microorganisms in the deep well through a water pump, pumping the sludge into the white garbage filtered and collected in the S1, degrading residual sewage in the white garbage, and transporting the degraded white garbage to a garbage landfill for anti-seepage landfill treatment, so that pollution caused by the white garbage can be reduced.

The invention has the following beneficial effects:

1. according to the deep well aeration device and the sewage treatment process thereof, the water level in the water channel rises, the buoy moves upwards to pull the pull rope to enable the roller to rotate and drive the cleaning rod to rotate, the cleaning rod is continuously inserted into the gap between the fine grids and rotates upwards to clean white garbage, the blockage at the fine grids is reduced, the normal flow of sewage in the water channel is ensured, and the working efficiency of the deep well aeration device is further improved.

2. According to the deep well aeration device and the sewage treatment process thereof, sewage and sludge in a deep well are extracted through the water pump, a mixture of the sewage and the sludge is pumped into the cleaning rod, activated sludge with microorganisms is sprayed from the spraying holes, and a part of the activated sludge is sprayed into white garbage, so that harmful positions carried in the white garbage are degraded, and the pollution of the white garbage is further reduced.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a perspective view of a deep well aeration apparatus according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 2 at B;

FIG. 4 is a process flow diagram in the present invention;

in the figure: the device comprises a water channel 1, a fine grid 11, a buoy 12, a chute 13, a rotating shaft 14, a roller 15, a cleaning rod 16, a pull rope 17, a guide wheel 18, a storage tank 19, a cylinder 2, a gear 21, a rack 22, spray holes 23 and a thin pipe 24.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 4, the deep well aeration device of the present invention comprises a water channel 1 communicated with a sewer, and a sand basin, a deep well, a degassing basin and a secondary sedimentation basin which are sequentially arranged on one side of the water channel 1 far away from the sewer; a coarse grating and a fine grating 11 are arranged in the ditch 1; a buoy 12 is arranged between the coarse grating and the fine grating 11; a pair of sliding grooves 13 are formed in the side surface, away from the buoy 12, of the water channel 1 of the fine grating 11, a rotating shaft 14 is connected in the sliding grooves 13 in a sliding mode, a group of cleaning rods 16 are uniformly distributed on the periphery of a roller 15 fixedly connected to the middle of the rotating shaft 14, and the cleaning rods 16 are used for being inserted into the fine grating 11 to clean white garbage during rotation; a pull rope 17 is arranged at the bottom of the buoy 12, one end of the pull rope 17 is fixedly connected with the buoy 12, and the other end of the pull rope 17 winds around the periphery of the roller 15 anticlockwise after bypassing a guide wheel 18 at the bottom of the ditch 1; a storage tank 19 for recovering white garbage is arranged on one side of the top of the chute 13, which is far away from the fine grid 11; the roller 15 is driven by the buoy 12 to rotate to clean the fine grating 11, so that the filtering efficiency of the fine grating 11 is ensured; when the device works, when more white garbage and other floating objects are carried in water flow at the position of the fine grating 11, the white garbage is accumulated at the position of the fine grating 11, and then the fine grating 11 is blocked, so that the water flow in the water channel 1 is blocked, at the moment, the fine grating 11 needs to be cleaned manually, the workload is large, the operation is not convenient, and sometimes the sewage treatment efficiency is influenced, at the moment, the water level in the water channel 1 rises due to the fact that the white garbage blocks the fine grating 11, so that the buoy 12 moves upwards under the action of buoyancy, and then the pull rope 17 is pulled, the pull rope 17 is stretched under the guide of the guide wheel 18, and then the roller 15 is driven to rotate, because the pull rope 17 is wound on the periphery of the roller 15 anticlockwise, the roller 15 is matched with the rotating shaft 14 and the sliding groove 13, the roller 15 is driven to rotate and the cleaning rod 16 is driven to rotate, the cleaning rod 16 is continuously inserted into a, white garbage is collected by the storage tank 19 and then treated, so that the blockage of the fine grid 11 is reduced, the normal flow of sewage in the ditch 1 is ensured, and the working efficiency of the deep well aeration device is increased.

As an embodiment of the invention, a cylinder 2 with an inner diameter larger than the outer diameter of the buoy 12 is arranged on the periphery of the buoy 12, the cylinder 2 is fixed on the side edge of the ditch 1, the upper and lower openings of the cylinder 2 are formed, and the bottom of the cylinder 2 extends below the liquid level; the buoy 12 and the pull rope 17 are prevented from being wound by garbage through the cylinder 2; through the protection of drum 2 to flotation pontoon 12, avoid longer fibre in the sewage and white rubbish winding in stay cord 17 and flotation pontoon 12 periphery, hinder flotation pontoon 12 and stay cord 17's motion, and then further guarantee that roller 15 drives clearance pole 16 and normally rotates, normally clears up fine grid 11, guarantees that the sewage in ditch 1 normally flows.

As an embodiment of the invention, one end of the roller 15 is provided with a gear 21, the side wall of the ditch 1 is fixedly connected with a rack 22 at a position corresponding to the gear 21, the rack 22 is arranged in parallel with the fine grid 11, the rack 22 is meshed with the gear 21, the height of the roller 15 is increased through the rack 22, and the garbage cleaning efficiency is increased; through gear 21 cooperation rack 22, constantly drive roller 15 and rotate and upwards remove along spout 13 at roller 15 anticlockwise rotation in-process, increase clearance pole 16 to the clearance area of thin grid 11, further reduce the jam of thin grid 11, increase sewage flow volume when guaranteeing the good filtering quality of thin grid 11, further increase the purification efficiency of sewage.

As an embodiment of the invention, the cleaning rod 16 is hollow, and the cleaning rod 16 is communicated with sludge at the bottom of the deep well through a pipeline and a water pump; the periphery of the cleaning rod 16 is provided with a group of spray holes 23 along the axial direction of the roller 15, sewage is sprayed out through the spray holes 23, the cleaning effect of the fine grid 11 is improved, the content of activated sludge of white garbage is increased, and the environmental pollution is further reduced; the sewage and the sludge in the deep well are pumped by a water pump, the mixture of the sewage and the sludge is pumped into a cleaning rod 16 and is finally sprayed out through a spray hole 23, the impact on the fine grating 11 is increased by the high-speed sprayed water flow, the pollutants adhered on the fine grating 11 are further cleaned, the blockage of the fine grating 11 is further reduced, and the normal through-flow capacity of the fine grating 11 is ensured, after the white garbage is cleaned in the prior art, because the white garbage and the impurities soaked in the sewage for a long time also contain the same harmful substances as the harmful substances in the sewage, but the pollutants are still contained after the white garbage is manually salvaged without treatment, certain pollution can be brought no matter the subsequent landfill or incineration, at the moment, the activated sludge with the microorganisms sprayed out through the spray hole 23 sprays a part of the activated sludge into the white garbage, the harmful positions carried in the white garbage are degraded, and the pollution of the white garbage is further reduced, after the harmful substances in the white garbage are degraded, the anti-seepage landfill is carried out, so that the pollution damage to the environment is further reduced.

As an embodiment of the present invention, the cleaning rod 16 is a hose, and the cross section of the cleaning rod 16 is a waist-round shape; the side surface of the cleaning rod 16 is parallel to the end surface of the roller 15, so that the left-right bending and swinging frequency of the cleaning rod 16 is increased, and the cleaning efficiency of the fine grating 11 is further increased; because clearance pole 16 is the hose for behind the orifice 23 blowout sewage and the mixture of mud, drive clearance pole 16 through recoil force and constantly drive clearance pole 16 swing and scrape thin grid 11, further increase the clearance effect of thin grid 11, the cross section of cooperation clearance pole 16 is oval shape and clearance pole 16 side is parallel with roller 15 terminal surface simultaneously, increase the whipping frequency of clearance pole 16 left and right sides direction, and then further increase the clearance effect of thin grid 11, increase the purification efficiency of sewage.

As an embodiment of the invention, the tail end of the cleaning rod 16 is communicated with a thin tube 24, two ends of the thin tube 24 are in a sharp-pointed shape, and the thin tube 24 is inserted into the white garbage, so that the content of activated sludge in the white garbage is increased, and the environmental pollution is further reduced; the cleaning rod 16 continuously swings to drive the thin tube 24 to continuously swing, and then the thin tube 24 at the tail end of the cleaning rod 16 is driven to swing, so that the thin tube 24 continuously punctures the white garbage and injects the activated sludge with microorganisms into the white garbage, the degradation efficiency of harmful substances in the white garbage is increased, and the pollution damage to the environment is further reduced.

A sewage treatment process is used for the deep well aeration device and comprises the following steps:

s1, introducing sewage in the urban sewer into a ditch, cleaning large floating objects through the coarse grating, filtering white garbage and large particles through the fine grating, and enabling the filtered sewage to flow into a grit chamber;

s2, precipitating particulate matters in the sewage to the bottom of the grit chamber by reducing the speed of the sewage flowing into the grit chamber, pumping the sewage into a deep well after reducing the content of the particulate matters in the sewage, decomposing organic matters in the sewage by microorganisms by adding sludge rich in the microorganisms into the deep well, and aerating the sewage to sufficiently ferment and degrade the organic matters in the sewage and increase the purification efficiency of the sewage;

s3, introducing the sewage subjected to deep well aeration in the step S2 into a degassing tank for degassing, and then performing secondary sedimentation in a secondary sedimentation tank to discharge the wastewater meeting the sewage treatment standard so as to reduce environmental pollution;

and S4, pumping part of activated sludge containing microorganisms in the deep well through a water pump, pumping the sludge into the white garbage filtered and collected in the S1, degrading residual sewage in the white garbage, and transporting the degraded white garbage to a garbage landfill for anti-seepage landfill treatment, so that pollution caused by the white garbage can be reduced.

When the device works, when more white garbage and other floating objects are carried in water flow at the position of the fine grating 11, the white garbage is accumulated at the position of the fine grating 11, and then the fine grating 11 is blocked, so that the water flow in the water channel 1 is blocked, at the moment, the fine grating 11 needs to be cleaned manually, the workload is large, the operation is not convenient, and sometimes the sewage treatment efficiency is influenced, at the moment, the water level in the water channel 1 rises due to the fact that the white garbage blocks the fine grating 11, so that the buoy 12 moves upwards under the action of buoyancy, and then the pull rope 17 is pulled, the pull rope 17 is stretched under the guide of the guide wheel 18, and then the roller 15 is driven to rotate, because the pull rope 17 is wound on the periphery of the roller 15 anticlockwise, the roller 15 is matched with the rotating shaft 14 and the sliding groove 13, the roller 15 is driven to rotate and the cleaning rod 16 is driven to rotate, the cleaning rod 16 is continuously inserted into a, the white garbage is collected by the storage tank 19 and then treated, so that the blockage at the fine grid 11 is reduced, the normal flow of the sewage in the ditch 1 is ensured, and the working efficiency of the deep well aeration device is increased; the floating cylinder 12 is protected by the cylinder 2, so that the phenomenon that longer fibers and white garbage in sewage are wound around the pull rope 17 and the periphery of the floating cylinder 12 to block the movement of the floating cylinder 12 and the pull rope 17 is avoided, the roller 15 drives the cleaning rod 16 to normally rotate, the fine grating 11 is normally cleaned, and the sewage in the ditch 1 is ensured to normally flow; and the rack 22 is meshed with the gear 21, the height of the roller 15 is increased through the rack 22, and the garbage cleaning efficiency is increased; the gear 21 is matched with the rack 22, the roller 15 is continuously driven to rotate and move upwards along the sliding groove 13 in the anticlockwise rotating process of the roller 15, the cleaning area of the cleaning rod 16 on the fine grid 11 is increased, the blockage of the fine grid 11 is further reduced, the good filtering performance of the fine grid 11 is ensured, the sewage flow is increased, and the sewage purification efficiency is further increased; the sewage and the sludge in the deep well are pumped by a water pump, the mixture of the sewage and the sludge is pumped into a cleaning rod 16 and is finally sprayed out through a spray hole 23, the impact on the fine grating 11 is increased by the high-speed sprayed water flow, the pollutants adhered on the fine grating 11 are further cleaned, the blockage of the fine grating 11 is further reduced, and the normal through-flow capacity of the fine grating 11 is ensured, after the white garbage is cleaned in the prior art, because the white garbage and the impurities soaked in the sewage for a long time also contain the same harmful substances as the harmful substances in the sewage, but the pollutants are still contained after the white garbage is manually salvaged without treatment, certain pollution can be brought no matter the subsequent landfill or incineration, at the moment, the activated sludge with the microorganisms sprayed out through the spray hole 23 sprays a part of the activated sludge into the white garbage, the harmful positions carried in the white garbage are degraded, and the pollution of the white garbage is further reduced, after the harmful substances in the white garbage are degraded, the anti-seepage landfill is carried out, so that the pollution damage to the environment is further reduced; because the cleaning rod 16 is a hose, after the mixture of sewage and sludge is sprayed from the spray holes 23, the cleaning rod 16 is driven by the recoil force to continuously drive the cleaning rod 16 to swing and scrape the fine grid 11, the cleaning effect of the fine grid 11 is further improved, meanwhile, the cross section of the cleaning rod 16 is in a waist circle shape, the side surface of the cleaning rod 16 is parallel to the end surface of the roller 15, the swinging frequency of the cleaning rod 16 in the left and right directions is increased, the cleaning effect of the fine grid 11 is further improved, and the purification efficiency of the sewage is improved; the cleaning rod 16 continuously swings to drive the thin tube 24 to continuously swing, and then the thin tube 24 at the tail end of the cleaning rod 16 is driven to swing, so that the thin tube 24 continuously punctures the white garbage and injects the activated sludge with microorganisms into the white garbage, the degradation efficiency of harmful substances in the white garbage is increased, and the pollution damage to the environment is further reduced.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.